Problem 2578. Sum of series IV
What is the sum of the following sequence:
Σ(-1)^(k+1) (2k-1)^2 for k=1...n
for different n?
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goc3
on 13 Jun 2017
Additional test cases have been added.
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Introduction to MATLAB
- 23 Problems
- 8330 Finishers
- Add two numbers
- Find the sum of all the numbers of the input vector
- Maximum value in a matrix
- Return area of square
- Finding Perfect Squares
- Make the vector [1 2 3 4 5 6 7 8 9 10]
- Generate a vector like 1,2,2,3,3,3,4,4,4,4
- Triangle Numbers
- Length of the hypotenuse
- Select every other element of a vector
- Reverse the vector
- Column Removal
- Swap the input arguments
- Swap the first and last columns
- Check if number exists in vector
- Determine whether a vector is monotonically increasing
- Getting the indices from a vector
- Create times-tables
- Return the first and last characters of a character array
- Number of 1s in a binary string
- Make a random, non-repeating vector.
- Magic is simple (for beginners)
- Sum all integers from 1 to 2^n
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